.container{
    display:flex;
    height: calc(100%-50px);
    justify-content: center;
    align-items: center;
}

.login{
    width: 400px;
    height: 500px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 10px;
    padding: 30px;
}

.login h3{
    text-align: center;
    color: rgba(0,0,0,0.7);
    padding: 30px;
}

.login .row{
    display: flex;
    justify-content: center;
    padding: 10px;
    color: rgba(0,0,0,0.7);
}

.login span{
    width: 100px;
    height: 40px;
    display: flex;
    align-items: center;
    font-weight: 800;
}

#user-name,#password,#nickname,#check-code,#picture{
    border-radius: 10px;
    border: none;
    outline: none;
    width: 200px;
    font-size: 20px;
    font-weight: 100;
    padding-left:10px;
    background-color: rgba(255, 255, 255, 0.8);
}

#submit{
    border-radius: 10px;
    width: 300px;
    height: 40px;
    margin-top:10px;
    background-color: rgba(0, 128, 0, 0.8);
    border: none;
    font-size: 15px;
    color: rgba(255, 255, 255, 0.8);
}

#submit:active{
    background-color: rgba(128, 128, 128, 0.8);
    color: white;
}

.register{
    color: gray;
    text-decoration: none;
    transition: 0.5s;
}

.register:hover{
    font-size: 20px;
}


.code-img{
    border-radius: 10px;
    opacity: 80%;
    height: 100%;
    width: 100%;
}

#picture{
    opacity: 80%;
    font-size: 15px;
    line-height: 40px;
}